CN216694852U - Tunnel country rock deformation monitoring structure - Google Patents
Tunnel country rock deformation monitoring structure Download PDFInfo
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- CN216694852U CN216694852U CN202123432121.8U CN202123432121U CN216694852U CN 216694852 U CN216694852 U CN 216694852U CN 202123432121 U CN202123432121 U CN 202123432121U CN 216694852 U CN216694852 U CN 216694852U
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- type expansion
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Abstract
The utility model discloses a tunnel surrounding rock deformation monitoring structure which comprises a tunnel, wherein three surrounding hook type expansion bolts are arranged at the position of a circular section at the inner side of the tunnel, chords are arranged between the uppermost hook type expansion bolt of the three hook type expansion bolts and the front of the hook type expansion bolt at one side and between the uppermost hook type expansion bolt of the three hook type expansion bolts and the rear of the hook type expansion bolt at the other side, downward positioning rods vertical to the chords are arranged at the positions of the middle points of the chords, a telescopic positioning rod is arranged in front of the intersection position of the positioning rods, the telescopic positioning rod is fixed on the rear side surface of a vertical telescopic monitoring rod, and a rotating motor is arranged at the symmetrical position of the front side surface of the telescopic monitoring rod and the telescopic positioning rod. This structure adopts same benchmark can once only carry out the measurement of data to inside all positions of tunnel disc, and the error is less, through data contrast around the periodic monitoring, the true tunnel country rock deformation condition of reaction that can be comparatively accurate.
Description
Technical Field
The utility model relates to the technical field of tunnel surrounding rock deformation monitoring equipment, in particular to a tunnel surrounding rock deformation monitoring structure.
Background
The surrounding rock deformation monitoring is a common method for engineering monitoring, and is mainly used for supporting engineering design and construction decision of a grotto, so that the purposes of mastering the internal stability condition of the surrounding rock, the dynamic deformation development and the reliability of the supporting engineering are achieved. The engineering site is used for monitoring the surrounding rock, and is an important link which is not neglected in the construction process. By analyzing and judging the monitoring data, the stable state of the surrounding rock supporting system can be predicted, and appropriate construction measures can be designed according to the stable state, so that the safety is ensured.
Generally adopt steel rule convergence appearance to carry out the measurement of deflection among the prior art, need use tunnel circular cross section as the measuring surface, adopt measuring line overall arrangement such as half arch form, pagoda formula, parallel, measure the country rock deformation condition, generally need use steel rule convergence appearance to carry out a lot of measurements repeatedly, the error is great, the country rock deformation condition that can not comparatively accurate reaction reality, monitoring data is not reliable enough, the measuring point of overall arrangement is limited simultaneously, the deformation condition of all inside positions departments of reaction tunnel disc that can not be accurate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tunnel surrounding rock deformation monitoring structure which can measure data of all positions in a tunnel circular surface at one time by adopting the same reference, has small error, and can accurately reflect the real tunnel surrounding rock deformation condition by comparing data before and after regular monitoring.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a tunnel surrounding rock deformation monitoring structure comprises a tunnel, wherein three encircling hook type expansion bolts are arranged at the position of a circular section at the inner side of the tunnel, chords are arranged between the uppermost hook type expansion bolt in the three hook type expansion bolts and the front of the hook type expansion bolt at one side and between the uppermost hook type expansion bolt and the rear of the hook type expansion bolt at the other side, downward locating rods perpendicular to the chords are arranged at the positions of middle points of the chords, a telescopic locating rod is arranged in front of the intersection point position of the locating rods and fixed on the rear side surface of a vertical telescopic monitoring rod, a rotating motor is arranged at the symmetrical positions of the front side surface and the telescopic locating rod of the telescopic monitoring rod, a vertical laser range finder is arranged on an output shaft of the rotating motor, the lower part of the telescopic monitoring rod is embedded into a concave chute in a sliding manner, a control cabinet is arranged at the rear part of the concave chute, the rear part of the control case is provided with a power supply box, the concave sliding groove, the control case and the power supply box are all arranged on the upper surface of the bottom plate, and front and rear running wheels are arranged below the bottom plate.
Furthermore, the laser range finder extends out of the front end of the bottom plate.
Furthermore, the rotating motor and the laser range finder are respectively connected with the control cabinet and the power supply box through lines.
Furthermore, the upper surface of the control cabinet is provided with a control button and a display panel.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through arranging the chord member and the positioning rod structure, the circle center position reference of the circular section of the tunnel is determined in a matching manner, and the laser range finder capable of rotating by 360 degrees is matched, so that the measurement of data at each position of the circular section is realized, the error is small, and the real deformation condition of the surrounding rock of the tunnel can be reflected more accurately by regularly monitoring the comparison of the front data and the rear data.
Drawings
FIG. 1 is a front view of a monitoring structure according to the present invention;
FIG. 2 is a schematic view of the top surface mounting structure of the base plate of the present invention;
in the figure: 1. a tunnel; 2. a hook type expansion bolt; 3. a chord member; 4. positioning a rod; 5. a base plate; 6. a telescopic monitoring rod; 7. a telescopic positioning rod; 8. rotating the motor; 9. a laser range finder; 10. a concave chute; 11. a control cabinet; 12. and a power supply line.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained below by combining the specific figures.
As shown in figures 1 to 2, a tunnel surrounding rock deformation monitoring structure comprises a tunnel 1, wherein three surrounding hook type expansion bolts 2 are arranged at the position of a circular section at the inner side of the tunnel 1, chords 3 are respectively arranged between the uppermost hook type expansion bolt 2 in the three hook type expansion bolts 2 and the front part of the hook type expansion bolt 2 at one side and between the uppermost hook type expansion bolt 2 in the three hook type expansion bolts 2 and the rear part of the hook type expansion bolt 2 at the other side, downward positioning rods 4 which are vertical to the chords 3 are respectively arranged at the middle points of the chords 3, a telescopic positioning rod 7 is arranged in front of the intersection point position of the positioning rods 4, the telescopic positioning rod 7 is fixed on the rear side surface of a vertical telescopic monitoring rod 6, a rotating motor 8 is arranged at the symmetrical position of the front side surface of the telescopic monitoring rod 6 and the telescopic positioning rod 7, a vertical laser range finder 9 is arranged on an output shaft of the rotating motor 8, the lower part of the telescopic monitoring rod 7 is embedded into a concave chute 10 in a sliding way, a control cabinet 11 is arranged behind the concave sliding groove 10, a power supply box 12 is arranged behind the control cabinet 11, the concave sliding groove 10, the control cabinet 11 and the power supply box 12 are all arranged on the upper surface of the bottom plate 5, front and rear traveling wheels are arranged below the bottom plate 5, the laser range finder 9 extends out of the front end of the bottom plate 5, the rotating motor 8 and the laser range finder 9 are respectively connected with the control cabinet 11 and the power supply box 12 through circuits, and a control button and a display panel are arranged on the upper surface of the control cabinet 11.
When in actual use, the bottom plate 5 moves to each round section position of the surrounding rock of the tunnel 1 through the running wheels at the bottom, the circle center reference is found by arranging a chord 3 and a positioning rod 4 structure between the hook type expansion bolts 2, and the length is changed by horizontally moving the position of the telescopic monitoring rod 6 in the concave chute 10 and by the telescopic monitoring rod 6 itself, so that the telescopic positioning rod 7 is aligned to the intersection point position of the two positioning rods 4, further positioning the laser range finder 9, starting the rotating motor 8 to work through the control cabinet 11, driving the laser range finder 9 to rotate around the circle center of the circular section, the distance parameter at each position of the circular cross section is measured and displayed and recorded by the display panel of the control cabinet 11, through data comparison before and after regular monitoring, the real deformation condition of the surrounding rock of the tunnel 1 can be accurately reflected.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a tunnel country rock deformation monitoring structure, includes the tunnel, the inboard circular section position department of tunnel be equipped with three couple formula expansion bolts that encircle, its characterized in that: the three hook type expansion bolts are characterized in that chord rods are arranged between the uppermost hook type expansion bolt in the three hook type expansion bolts and the front part of the hook type expansion bolt on one side and between the uppermost hook type expansion bolt and the rear part of the hook type expansion bolt on the other side, a downward locating rod perpendicular to the chord rods is arranged at the midpoint position of each chord rod, a telescopic locating rod is arranged in front of the intersection point position of the locating rods and is fixed on the rear side surface of a vertical telescopic monitoring rod, a rotating motor is arranged at the symmetrical position of the front side surface of the telescopic monitoring rod and the telescopic locating rod, a vertical laser range finder is arranged on an output shaft of the rotating motor, the lower part of the telescopic monitoring rod is embedded into a concave chute in a sliding manner, a control cabinet is arranged behind the concave chute, a power supply box is arranged behind the control cabinet, and the concave chute, the control cabinet and the power supply box are all arranged on the upper surface of a bottom plate, and front and rear running wheels are arranged below the bottom plate.
2. The tunnel surrounding rock deformation monitoring structure of claim 1, wherein: the laser range finder extends out of the front end of the bottom plate.
3. The tunnel surrounding rock deformation monitoring structure of claim 1, wherein: the rotating motor and the laser range finder are respectively connected with the control cabinet and the power supply box through lines.
4. The tunnel surrounding rock deformation monitoring structure of claim 1, wherein: the upper surface of the control cabinet is provided with a control button and a display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123432121.8U CN216694852U (en) | 2021-12-31 | 2021-12-31 | Tunnel country rock deformation monitoring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123432121.8U CN216694852U (en) | 2021-12-31 | 2021-12-31 | Tunnel country rock deformation monitoring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216694852U true CN216694852U (en) | 2022-06-07 |
Family
ID=81824297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123432121.8U Active CN216694852U (en) | 2021-12-31 | 2021-12-31 | Tunnel country rock deformation monitoring structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216694852U (en) |
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2021
- 2021-12-31 CN CN202123432121.8U patent/CN216694852U/en active Active
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